1. Used of sounds and voices; high in pitch or frequency
   "The high-pitched whine of the mosquito was annoying";
   - high
    
2. Set at a sharp or high angle or slant
   "a high-pitched roof"

See also: adenoidal, altissimo, alto, countertenor, falsetto, inclined, nasal, peaky, pinched, pitch, screaky, screechy, sharp, shrill, sopranino, soprano, spiky, squeaking, squeaky, squealing, tenor, treble